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Local Forecast
Longmont, CO Weather Forecast & Alerts
Current conditions, 5-day forecast, and active NWS weather alerts for Longmont, CO.
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Hour-by-Hour Current Observation
Sunday 2:35 AM MDTSunday 2:35 AM
°F
°C
53°F
Clear
- 69° / 41° High / Low
- 53° Feels Like
- 0% Chance of Rain
UV Index
0
None
Humidity
64%
Dew 41°F
Sun
5:43 AM · 8:10 PM
Rise · Set
Source: LONGMONT/VBRAND (KLMO). Slider scrubs the next 12 hours.
5-Day Outlook
Through Thursday
Today
69° 41°
Thunderstorms Likely
Overnight: Thunderstorms
Detailed forecast
Today
A slight chance of rain showers before noon, then a chance of showers and thunderstorms between noon and 2pm, then showers and thunderstorms likely. Mostly cloudy. High near 68, with temperatures falling to around 60 in the afternoon. Northeast wind 3 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Night
Showers and thunderstorms. Cloudy. Low around 41, with temperatures rising to around 49 overnight. North wind 5 to 9 mph, with gusts as high as 17 mph. Chance of precipitation is 80%.
Monday
46° 33°
Thunderstorms
Overnight: Chance of Rain
Detailed forecast
Monday
Rain showers likely before 9am, then showers and thunderstorms. Cloudy, with a high near 44. North northeast wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.
Night
A chance of rain showers. Mostly cloudy, with a low around 34. North northeast wind 2 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Tuesday
51° 37°
Chance of Thunderstorms
Overnight: Rain Likely
Detailed forecast
Tuesday
A slight chance of rain and snow showers before noon, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 51. Chance of precipitation is 50%.
Night
Rain showers likely. Mostly cloudy, with a low around 38.
Wednesday
62° 41°
Chance of Thunderstorms
Overnight: Chance of Rain
Detailed forecast
Wednesday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 61.
Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 41.
Thursday
68° 42°
Chance of Thunderstorms
Overnight: Partly Cloudy
Detailed forecast
Thursday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 66.
Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 42.
Longmont, CO Weather Analysis Tools
